part_of part of part of enteroendocrine cell enkephalin secreting cell type G enteroendocrine cell cell BTO:0004108 FMA:67609 G cell An endocrine cell found in the pyloric gland mucosa (antral mucosa) of the stomach of mammals and responsible for the secretion of gastrin and enkephalin. Most abundant in pyloric antrum, pyramidal in form with a narrow apex bearing long microvilli. gastrin secreting cell mucous cell of stomach mucosa of pyloric antrum